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I'm having the same issues with my 2018 Hybrid. I took it to the dealer and went on a test right with the tech. They were able to replicate the noise but was not able to resolve it. They suggested I leave the car there for a few days for them to look into it further. Has anyone had any luck with this issue?
 

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I think I'm pretty sure of what the sound you are hearing. I mean..I dont know what its from but I hear it on my 2017 Pacifica. my 2008 dodge grand caravan did the same thing. to me it's not loud enough and I dont have the feeling that something is mechanically wrong. although ultimately I dont know.
 

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I wanted to revive this thread because the last time I was at the dealership for some repairs I mentioned the whistling and they reproduced the sound on a drive and then..... replaced the alternator... Ugh! Guess what? It didn't do a thing..

Now my Pacifica is at the dealer getting the latest recall fixed and I said to them the whistle is still there coming from the DASH BOARD; the alternator it did not fix the issue.. So they took a listen and now they are replacing my transmission.. wth?

I have a lifetime warranty. Do you think they are misdiagnosing on purpose? I have driven this van all over the west coast and have zero issues with the alternator or transmission but somehow a whistling sound that is caused from a communication from the gas pedal to the left side of the dashboard translates to replacing both of these???

I'd really like to hear if anyone had a resolution or went through the same trouble. Something isn't right....
 

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I wanted to revive this thread because the last time I was at the dealership for some repairs I mentioned the whistling and they reproduced the sound on a drive and then..... replaced the alternator... Ugh! Guess what? It didn't do a thing..

Now my Pacifica is at the dealer getting the latest recall fixed and I said to them the whistle is still there coming from the DASH BOARD; the alternator it did not fix the issue.. So they took a listen and now they are replacing my transmission.. wth?

I have a lifetime warranty. Do you think they are misdiagnosing on purpose? I have driven this van all over the west coast and have zero issues with the alternator or transmission but somehow a whistling sound that is caused from a communication from the gas pedal to the left side of the dashboard translates to replacing both of these???

I'd really like to hear if anyone had a resolution or went through the same trouble. Something isn't right....
UPDATE: My Pacifica is till at the dealership. The transmission is on backorder with no date given now. Originally it was said on backorder until Sept 19th.
 

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I have this same sound at highway speeds when the gas pedal is depressed. When I take my foot off the gas, it stops. I'm not sure of how that could be associated with a transmission problem. Did the dealer explain?
 

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I have this same sound at highway speeds when the gas pedal is depressed. When I take my foot off the gas, it stops. I'm not sure of how that could be associated with a transmission problem. Did the dealer explain?
We certainly understand why this would be concerning, moose78. If you decide to address this with your dealer, please follow up with us via PM. We’d be happy to escalate a case on your behalf and connect you with a case specialist for an additional layer of assistance during the process.

Mark
Chrysler Social Care Specialist
 

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Doesn't look like there was any fix or resolution of this issue over the years.
Came here looking to see if anyone else had this easily reproducible whining tone/noise at 64 or 65 mph speed. Its not the road or wind noise for sure, and goes away if I take the foot off the gas pedal, tapers off around 74/75 mph, but by then the tire/road noise is loud enough to drown out the whine. I guess I'll have to live with the noise, its annoying, unless it is indicative of some other or bigger failure. Im not sure if I want to take it to a dealer to get it checked out, its a pain to deal with them when it comes to issues like these which are not some simple oil change/rotations or brake jobs.
 

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Hi @NickPac19,

We're sorry to hear that you have this concern as well. If you decide to take your Pacifica in to the dealer, please feel free to reach out to us for assistance.

Darlene
Chrysler Social Care Specialist
Darlene,

Thanks for your response.
This looks like a problem that showed up at least a couple of years ago and from what I read here, not something a Dealer service team can figure out or fix, needs Chrysler engineers to look into if they care. But that has not happened apparently, because they keep saying thats the way it works. So its a waste of time to go thru the dealership service experience again, IMHO.
If you can check if this issue has been fixed on any Pacifica anywhere, that would be great, I can then have it looked into and tell them precisely this is what you need to do according to this Chrysler TSB or whatever pertains to it.
 

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@NickPac19,

As the Customer Care Team, we are unable to assist in diagnosing your vehicle, so we recommend having it properly diagnosed by a dealer. If you would like to send me your VIN in a private message, I can check for applicable TSBs.

Darlene
Chrysler Social Care Specialist
 

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Same boat here. Bought the van this past weekend and on my first long drive with it. Sound is so incredibly annoying. 2017 Limited model. Luckily it is only at high speeds, but as much as I love the van, if I knew about this noise I would have never buyed it. Seems like it happens around 80 mph and comes and goes, which only makes it more annoying. Seemed to stop and then started again when I was accelerating and turned the steering wheel slightly to the right to change lanes. Definitely only happens when I hit the gas pedal and stops immediately when I let go of the gas pedal. This thread would indicate that resolving this is utterly hopeless. At least I don't have the coronavirus.
 

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It sounds like you all are describing a half shaft resonance, but only so much that can be done over the internet, really it's just guessing and not actual diagnosis.

Driveline whines usually happen in a defined speed area, usually either on drive or coast, but not both as it has to do with the loading of the gears (torsional input) then exciting a drive-line component (usually one of the halfshafts). Yes, it is a characteristic of the vehicle, some manufactures will put on rubber dampers if the noise is really problematic, but the dampers cause their own issues, weight/cost/durability/packaging. It's not a quality issue per-say, mechanically your van is fine, but ya the noise can be annoying.
 

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Same boat here. Bought the van this past weekend and on my first long drive with it. Sound is so incredibly annoying. 2017 Limited model. Luckily it is only at high speeds, but as much as I love the van, if I knew about this noise I would have never buyed it. Seems like it happens around 80 mph and comes and goes, which only makes it more annoying. Seemed to stop and then started again when I was accelerating and turned the steering wheel slightly to the right to change lanes. Definitely only happens when I hit the gas pedal and stops immediately when I let go of the gas pedal. This thread would indicate that resolving this is utterly hopeless. At least I don't have the coronavirus.
Hi Cool whining van,

I am very sorry to hear this. Please feel free to follow up via private message with more details as we are happy to look into this further.

Alex
Chrysler Cares
 
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